The F3507g Mobile Broadband Device is a wireless data modem (or mobile broadband adapter) produced by Sierra Wireless, typically used to provide mobile internet connectivity to laptops, desktops, or embedded systems. This device is designed to enable 3G or 4G cellular connections via a SIM card and is often integrated into laptops or used as a USB dongle to connect to a cellular network.

The F3507g (also known as a Sierra Wireless 3G/4G modem) requires a driver to interface with Windows operating systems, allowing the computer to communicate with the device and establish an internet connection through a mobile network.